In the wake of the pandemic, cleaning companies known for crime scene and biohazard cleanup are being called in to disinfect hot-spot areas from the coronavirus. We followed Cory Chalmers, the CEO of Steri-Clean— a company that specializes in biohazard and crime-scene cleanup— to see what it takes to be on the front lines disinfecting sites potentially contaminated with SARS-CoV-2, the virus that causes COVID-19. For a day, he showed us what it looks like to be a professional cleaner during an outbreak.